Andersen Group Inc. Announces Resolution of Limited Security Incident

SAN FRANCISCO--(BUSINESS WIRE)-- Andersen Group Inc. (NYSE: ANDG) today announced that it identified a social engineering attack affecting a single employee that resulted in unauthorized access to certain Company files containing information related to a limited number of clients.

Upon identifying this activity, the Company promptly launched its cybersecurity response process, initiated a forensic investigation, and notified law enforcement. That forensic investigation is now complete. It confirmed that there was no broader unauthorized access to Company systems and there has been no impact to the Company’s operations, systems, or ability to serve clients.

Andersen has notified the limited number of clients whose data was affected in this incident as required. The Company has also taken additional measures designed to reduce the risk of similar incidents in the future.

Andersen Group takes its responsibility to safeguard client information seriously. The Company does not anticipate a material financial impact from this incident.

About Andersen

Andersen is a leading provider of independent tax, valuation and financial advisory services to individuals, family offices, businesses and alternative investment funds in the United States. Andersen’s differentiated approach to client service is rooted in core values that emphasize stewardship, transparency and the seamless delivery of independent, high-quality service. Worldwide, Andersen’s presence spans more than 180 countries through its global platform of member and collaborating firms delivering tax, legal, valuation and consulting services across more than 1,000 locations with over 3,000 partners and 50,000 professionals.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261006731096/en/

Gregory Vistica, Managing Director, Investor Relations
[email protected]

Source: Andersen

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